How do I create a trace table for this?

Module main ( )

Call showMsg ( )

Call user_input ( )

Call monthly_calculations (ref Integer monthsPassed)

Call displayOutput ( )

End module

Module showMsg ( )

Display "This program calculates your savings account balance, number of deposits, "

Display "number of withdrawals, and total interest earned over time."

End module

Module user_input ( )

Declare Real annual_interest_rate, balance

Declare Integer monthsPassed

Display "What is your account's starting balance?"

Input balance

Display "Please enter the annual interest rate for your account."

Input annual_interest_rate

Display "How many months have passed since your account was established?"

Input monthsPassed

End module

Module monthly_calculations ( )

Declare Real monthlyDeposit, monthlyWithdrawal, interest

Declare Real totalDeposit = 0, totalWithdrawal = 0

Declare Integer months = 1

Do

Display "How much money did you deposit in month ", months, "?"

Input monthlyDeposit

Set balance = balance + monthlyDeposit

Set totalDeposit = totalDeposit + monthlyDeposit

Display "How much money did you withdraw from your account in month ", months "?"

Input monthlyWithdrawal

Set balance = balance - monthlyWithdrawal

While months <= monthsPassed

Set interest = (annual_interest_rate /12) * balance

Set balance = balance + interest

End module

Module displayOutput ( )

Display "Since opening your account: "

Display "Your total savings account balance is $", balance , "."

Display "The total amount you have deposited is $", totalDeposit , "."

Display "The total amount you have withdrawn is $", totalWithdrawal , "."

Display "The total interest you have earned is $", interest , "."

End module